Electrical heater



Fig. 2.1 is a front elevation view of an electrical heater, showing the new design;

Fig. 2.2 is a left side elevation view thereof;

Fig. 2.3 is a right side elevation view thereof;

Fig. 2.4 is a rear elevation view thereof;

Fig. 2.5 is a top plan view thereof; and

Fig. 2.6 is a bottom plan view thereof. 

CLAIM The ornamental design for an electrical heater, as shown and described. 